﻿body {
    margin: 0 auto;
}

.main-block {
    height: 400px;
}
.right-main-block {
    height:321px;
}

.server-objects-hidden {
    background-color: grey;
    position: absolute;
    margin-left: 185px;
    height: 478px;
    width: 31%;
    margin-top: -27%;
    display:none;
}
.mask {
    width:100%;
    height:100%;
    background-color:rgb(163, 163, 163);
    opacity:0.3;
    margin: 0px 0px 0px 0px;
    position:relative;
    border-radius:5px 5px 5px 5px;
    display:none;
}
.img-mask {
    position: absolute;
    top: 50%;
    margin-top: -50px;
    left: 50%;
    margin-left: -50px;
}